ROI Calculator
Measure return on investment as a percentage and net gain.
About the ROI Calculator
The ROI Calculator measures return on investment as a percentage and shows the net profit from an amount invested and an amount returned. It is a simple way to compare opportunities on the same footing, whether that is an ad campaign, a product or a side project.
Frequently asked questions
It depends entirely on the context and the risk involved — a safe investment returning 8% might be excellent, while a risky one returning 20% might not be. ROI is most useful for comparing similar options, not as an absolute target.
No. Basic ROI ignores time, so a 50% return over one year and over five years look identical here. For time-sensitive comparisons, look at annualised return instead.